JJF 2370-2026 Metrological Technical Specification for Carbon Emission in Building Operation Stage

JJG 195-2002 Continuous Totalizing Automatic Weighing Instruments(Belt Weigher) JJG 195-2019 Continuous Totalizing Automatic Weighing Instruments(Belt Weighers) JJG 225-2001 Heat Meters JJG 225-2024 Verification Regulation of Heat Meters JJG 539-1997 Digital Indicating Weighing Instrument JJG 539-2016 Digital Indicating Weighing Instruments JJG 577-2012 Diaphragm Gas Meters JJG 596-1999 Electrical Energy Meters with Electronics JJG 596-2012 Electrical Meters for Measuring Alternating-current Electrical Energy JJG 596-2026 Verification Regulation of Fixed Alternating-current Electrical Energy Meters JJG 633-2005 Gas Displacement Meters JJG 633-2024 Displacement Gas Meters JJG 691-1990 Multi-Rate Alternating-Current Watthour Meters JJG 691-2014 Multi-Rate Electricity Meters for Measuring Alternating-current Electrical Energy JJG 971-2002 Liquid Level Measuring Devices JJG 971-2019 Liquid Level Gauges JJG 1029-2007 Vortex-shedding Flowmeter JJG 1030-2007 Ultrasonic Flowmeters JJG 1085-2013 Reference Meters for Electrical Energy JJG 2063-2007 Measuring Instruments for Liquid Flow JJF 1059.1-2012 Evaluation and Expression of Uncertainty in Measurement GB/T 213-1996 Determination of calorific value of coal GB/T 213-2003 Determination of calorific value of coal GB/T 213-2008 Determination of calorific value of coal GB/T 384-1981 Determination of calorific value of petroleum products GB/T 384-2025 Determination the heat of combustion for hydrocarbon fuels—Bomb calorimeter method GB 474-1996 Preparation of coal sample GB/T 474-2008 Method for preparation of coal sample GB 475-1996 Sampling for commercial coal GB/T 475-2008 Method for manual sampling of commercial coal GB/T 476-2001 Ultimate analysis of coal GB/T 476-2008 Determination of carbon and hydrogen in coal GB/T 4756-1998 Petroleum liquids—Manual sampling GB/T 4756-2015 Method for manual sampling of petroleum liquids GB/T 11062-1998 Natural gas—Calculation of calorific values, density, relative density and Wobbe index from composition GB/T 11062-2014 Natural gas—Calculation of calorific values,density,relative density and Wobbe index GB/T 11062-2020 Natural gas—Calculation of calorific values,density,relative density and Wobbe indices from composition GB/T 13609-1999 Natural gas—Sampling guidelines GB/T 13609-2012 Natural gas sampling guidelines GB/T 13609-2017 Natural gas sampling guidelines GB/T 13609-2025 Natural gas—Gas sampling GB/T 13610-2003 Analysis of natural gas by gas Chromatography GB/T 13610-2014 Analysis of natural gas composipion—Gas chromatography GB/T 13610-2020 Analysis of natural gas composition—Gas chromatography GB/T 17167-1997 Guides for providing and managing of the measuring instruments of energy in enterprise GB 17167-2006 General principle for equipping and managing of the measuring instrument of energy in organization of energy using GB 17167-2025 General rules for energy measuring instrument equipping and managing of energy user GB/T 19494.1-2004 Mechanical sampling of coal—Part 1:Method for sampling GB/T 19494.1-2023 Mechanical sampling of coal—Part 1:Method for sampling GB/T 19494.2-2004 Mechanical sampling of coal—Part 2:Method for sample preparation GB/T 19494.2-2023 Mechanical sampling of coal—Part 2:Method for sample preparation GB/T 20603-2006 Refrigerated light hydrocarbon fluids—Sampling of liquefied natural gas—Continuous method GB/T 20603-2023 Refrigerated light hydrocarbon fluids—Sampling for liquefied natural gas GB/T 32150-2015 General guideline of the greenhouse gas emissions accounting and reporting for industrial enterprises GB/T 51366-2019 DL/T 567.9-2016 DL/T 567.9-2016 Fuel testing methods for thermal power plants Part 9: Determination of carbon and hydrogen elements in fuel oil DL/T 567.9-1995 Ultimate Analysis of Liquid Fuel